lkml.org 
[lkml]   [2016]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] rtl8xxxu: fix tx rate debug output
Date
Arnd Bergmann <arnd@arndb.de> writes:
> We accidentally print the rate before we know it for txdesc_v2:

Hi Arnd,

Thanks for the patch - Barry Day already posted a patch for this which
Kalle has applied to the wireless tree.

Cheers,
Jes


>
> wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8xxxu_fill_txdesc_v2':
> wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:4848:3: error: 'rate' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>
> txdesc_v1 got it right, so let's do it the same way here.
>
> Fixes: b4c3d9cfb607 ("rtl8xxxu: Pass tx_info to fill_txdesc in order to have access to retry count")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> index 04141e57b8ae..a9137abc3ad9 100644
> --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> @@ -4844,16 +4844,16 @@ rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
>
> tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32;
>
> - if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX)
> - dev_info(dev, "%s: TX rate: %d, pkt size %d\n",
> - __func__, rate, cpu_to_le16(tx_desc40->pkt_size));
> -
> if (rate_flags & IEEE80211_TX_RC_MCS &&
> !ieee80211_is_mgmt(hdr->frame_control))
> rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0;
> else
> rate = tx_rate->hw_value;
>
> + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX)
> + dev_info(dev, "%s: TX rate: %d, pkt size %d\n",
> + __func__, rate, cpu_to_le16(tx_desc40->pkt_size));
> +
> seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
>
> tx_desc40->txdw4 = cpu_to_le32(rate);

\
 
 \ /
  Last update: 2016-11-28 22:13    [W:0.025 / U:1.788 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site